Is Rest Helpful in Treating Tennis Elbow? Or Does Rest = Rust? Posted in: Tennis Elbow|Tags: rest, RICE Protocol, Tennis Elbow Treatment|February 17, 2013 When you have Tennis Elbow you’ll hear that “You should rest it” – But is this really the best treatment advice? Learn why tendons don’t necessarily heal while you’re resting, hoping and waiting – And too much rest = RUST.